From: bugzilla-daemon@bugzilla.kernel.org
To: linux-scsi@vger.kernel.org
Subject: [Bug 215311] New: Support ATA command passthrough for iSCSI -> SATA
Date: Sun, 12 Dec 2021 16:06:19 +0000 [thread overview]
Message-ID: <bug-215311-11613@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=215311
Bug ID: 215311
Summary: Support ATA command passthrough for iSCSI -> SATA
Product: IO/Storage
Version: 2.5
Kernel Version: 5.10.x
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: enhancement
Priority: P1
Component: SCSI
Assignee: linux-scsi@vger.kernel.org
Reporter: nfxjfg@googlemail.com
Regression: No
This would be a nice feature for using smartctl over iSCSI (where the target is
a SATA disk). So far, this seems to be needed in the iSCSI target
implementation or another part of the target's SCSI layer or SATA glue code. I
can actually send ATA passthrough commands (0x85) from a Linux initiator, just
the target rejects them as invalid or unknown.
Hints which subsystem or even source file would handle this would be nice too,
maybe I could attempt a patch (though somewhat unlikely I would succeed).
Does iSCSI+SATA really work by translating SCSI commands to ATA commands? Crazy
world if that's correct.
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